Path: ...!weretis.net!feeder9.news.weretis.net!2.eu.feeder.erje.net!feeder.erje.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!pasdenom.info!from-devjntp
Message-ID: <VTMItxncAEYELeWXOtGSe5FrxHU@jntp>
JNTP-Route: news2.nemoweb.net
JNTP-DataType: Article
Subject: =?UTF-8?Q?R=C3=A9solution=20du=20probl=C3=A8me=20pos=C3=A9?=
Newsgroups: fr.sci.maths
JNTP-HashClient: dtIqgZgRfjNm48HuwoKIrlbJ59Y
JNTP-ThreadID: YpSMaYU8zs1oRMOgtTGbPV26LfM
JNTP-Uri: http://news2.nemoweb.net/?DataID=VTMItxncAEYELeWXOtGSe5FrxHU@jntp
User-Agent: Nemo/0.999a
JNTP-OriginServer: news2.nemoweb.net
Date: Tue, 25 Jun 24 11:36:44 +0000
Organization: Nemoweb
JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Injection-Info: news2.nemoweb.net; posting-host="e8cbf2474b472b9bb79db3dccb6a856bc1d05409"; logging-data="2024-06-25T11:36:44Z/8917692"; posting-account="4@news2.nemoweb.net"; mail-complaints-to="julien.arlandis@gmail.com"
JNTP-ProtocolVersion: 0.21.1
JNTP-Server: PhpNemoServer/0.94.5
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
X-JNTP-JsonNewsGateway: 0.96
From: Richard Hachel <r.hachel@wanadou.fr>
Bytes: 1570
Lines: 28

Un intervenant posait le problème:

sqrt(3x+7)+sqrt(x+2)=1

Soit :

sqrt(3x+7)=1-sqrt(x+2)

3x+7 = 1 -2sqrt(x+2) + (x+2)

2x+4 = -2sqrt((x+2)

x+2= -sqrt(x+2)

Posons A=(x+2)

A=-sqrt(A) 

Seule solution possible A=0.

Soit A=x+2=0

x=-2

R.H.